code: def get_scores(self):
      return self._get_posterior_samples()
  
file_path: ReAgent/reagent/mab/thompson_sampling.py
imports: from abc import abstractmethod
  from typing import List, Optional
  import torch
  from reagent.mab.mab_algorithm import MABAlgo, reindex_multiple_tensors
  from torch import Tensor
label_desc: Use image node_id 2 for calling the BaseThompsonSampling obj's underlying member method code with example usage: obj.get_scores() and returns: self